三北 meaning in Chinese

the three norths (for northwest china, north china, and northeast china) 短语和例子

Thoughts and views of the three north shelterbelt program
对三北防护林体系工程的思考与展望
Feasibility study of sanbei region power plant heating system retroffiting
三北区域电厂供热改造可行性研究
Fur . persin lamb skin
裘皮三北羔皮
Using ecological civilization concept to guide the quot; three north quot; protection forest system
用生态文明理念指导三北防护林体系工程建设
Overall thinking of sand control of the three north shelterbelt during the state ' s eleventh five - year plan period
期间三北防护林工程防沙治沙的总体思路

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